Home / 11,375.02-17,064.85-4,801.20

Finding the Fourth Proportional to 11,375.02, 17,064.85 and 4,801.20

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Solution

The fourth proportional to 11,375.02, 17,064.85 and 4,801.20 is: 7,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.02 : 17,064.85 = 4,801.20 : x
  2. Step 2: Convert to fraction form
    11,375.02/17,064.85 = 4,801.20/x
  3. Step 3: Cross multiply
    11,375.02x = 17,064.85 × 4,801.20
  4. Step 4: Simplify right side
    11,375.02x = 81,931,757.82
  5. Step 5: Solve for x
    x = 81,931,757.82/11,375.02
  6. Step 6: Final answer
    x = 7,202.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.